Abstract: Methods and apparatus for initiating calls between a mobile station and a base station in a wireless CDMA system wherein status request messages and status response messages are not required for the base station to determine alternate service options supported by the mobile stations are disclosed in accordance with the teachings of the present invention. The invention includes the mobile station transmitting an origination message to the base station wherein the origination message includes all service options supported by the mobile station. The invention also includes the situation where the base station sends a page message to the mobile station. The mobile station responds by determining whether the page message is intended therefor. If it is and if the mobile station is configured to receive mobile station terminated calls, the mobile station transmits a page response message to the base station which includes the service options supported by the mobile station.